PHP code example of sparkcentral / psredis

1. Go to this page and download the library: Download sparkcentral/psredis library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

sparkcentral / psredis example snippets


// configure where to find the sentinel nodes

$sentinel1 = new Client('192.168.50.40', '26379');
$sentinel2 = new Client('192.168.50.41', '26379');
$sentinel3 = new Client('192.168.50.30', '26379');

// now we can configure the master name and the sentinel nodes

$masterDiscovery = new MasterDiscovery('integrationtests');
$masterDiscovery->addSentinel($sentinel1);
$masterDiscovery->addSentinel($sentinel2);
$masterDiscovery->addSentinel($sentinel3);

// discover where the master is

$master = $masterDiscovery->getMaster();


// configuration of $masterDiscovery
$masterDiscovery = ...

// using the $masterDiscovery as a dependency in an Highly Available Client (HAClient)
$HAClient = new HAClient($masterDiscovery);
$HAClient->set('test', 'ok');
$test = $HAClient->get('test');


// we need a factory to create the clients
$clientFactory = new PredisClientCreator();

// we need an adapter for each sentinel client too!

$clientAdapter = new PredisClientAdapter($clientFactory, Client::TYPE_SENTINEL);
$sentinel1 = new Client('192.168.50.40', '26379', $clientAdapter);

$clientAdapter = new PredisClientAdapter($clientFactory, Client::TYPE_SENTINEL);
$sentinel2 = new Client('192.168.50.41', '26379', $clientAdapter);

$clientAdapter = new PredisClientAdapter($clientFactory, Client::TYPE_SENTINEL);
$sentinel3 = new Client('192.168.50.30', '26379', $clientAdapter);

// now we can configure the master name and the sentinel nodes

$masterDiscovery = new MasterDiscovery('integrationtests');
$masterDiscovery->addSentinel($sentinel1);
$masterDiscovery->addSentinel($sentinel2);
$masterDiscovery->addSentinel($sentinel3);

// discover where the master is

$master = $masterDiscovery->getMaster();


$sentinel = new Client('192.168.50.40', '26379');
$masterDiscovery = new MasterDiscovery('integrationtests');
$masterDiscovery->addSentinel($sentinel);

// create a backoff strategy (half a second initially and increment with half of the backoff on each succesive try)
$incrementalBackoff = new Incremental(500, 1.5);
$incrementalBackoff->setMaxAttempts(10);

// configure the master discovery with this backoff strategy
$masterDiscovery->setBackoffStrategy($incrementalBackoff);

// try to discover the master
$master = $masterDiscovery->getMaster();